| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
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| 01/24/2008 | WO2008011525A2 System and method for unloading water from gas wells |
| 01/24/2008 | WO2008010726A1 System and vessel hydrocarbon production and method for intervention on subsea equipment |
| 01/24/2008 | WO2008010723A1 System, vessel and method for production of oil and heavier gas fractions from a reservoir below the seabed |
| 01/24/2008 | WO2008009957A1 Improved methods and materials for subterranean fluid forming barriers in materials surrounding wells |
| 01/24/2008 | WO2008009930A2 Apparatus and methods for natural gas transportation and processing |
| 01/24/2008 | WO2008009204A1 A vertical oil-water-gas mutiphase flow separation regulating means and the measure device thereof |
| 01/24/2008 | WO2008009114A1 Methods and apparatuses for enhanced in situ hydrocarbon production |
| 01/24/2008 | WO2007140021A3 Safety vent valve |
| 01/24/2008 | WO2007091897A8 Fluid injection device |
| 01/24/2008 | US20080018099 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 01/24/2008 | US20080017594 System And Method For The Production Or Handling Of Heavy Oil |
| 01/24/2008 | US20080017387 Methods for expanding tubular strings and isolating subterranean zones |
| 01/24/2008 | US20080017382 Process For Treating Underground Formations |
| 01/24/2008 | US20080017380 Non-ferromagnetic overburden casing |
| 01/24/2008 | US20080017379 Method for removing a sealing plug from a well |
| 01/24/2008 | US20080017378 Diameter Based Tracking For Window Milling System |
| 01/24/2008 | US20080017374 Methods and materials for subterranean fluid forming barriers in materials surrounding wells |
| 01/24/2008 | US20080017373 Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones |
| 01/24/2008 | US20080017372 In situ process to recover heavy oil and bitumen |
| 01/24/2008 | US20080017370 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 01/24/2008 | US20080017369 Method and apparatus for generating pollution free electrical energy from hydrocarbons |
| 01/24/2008 | CA2656803A1 System, vessel and method for production of oil and heavier gas fractions from a reservoir below the seabed |
| 01/24/2008 | CA2656743A1 System and method for unloading water from gas wells |
| 01/23/2008 | EP1881016A2 Low molecular weight graft copolymers |
| 01/23/2008 | EP1880082A1 Pipe separator |
| 01/23/2008 | EP1880081A2 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods |
| 01/23/2008 | EP1880078A1 Methods and systems for producing fluid from an in situ conversion process |
| 01/23/2008 | EP1381749B1 Method for in situ recovery from a tar sands formation and a blending agent produced by such a method |
| 01/23/2008 | EP1379804B1 Threaded connection |
| 01/23/2008 | EP1348065B1 Method, computer program product and use of a computer program for stabilizing a multiphase flow |
| 01/23/2008 | CN201011301Y Experimental perforating tool simulating down-hole perforating condition |
| 01/23/2008 | CN201010693Y Oil well anti-corrosion device |
| 01/23/2008 | CN101111661A Method of installing an expandable tubular in a wellbore |
| 01/23/2008 | CN101109376A Chemical composite driving antiscaling soft plunger oil pump |
| 01/23/2008 | CN101109375A Two-stage down-hole pipe pump oil extracting device |
| 01/23/2008 | CN101109279A Power generating lying energy recycling electric hydraulic pressure energy-saving balance beam type pumping machine |
| 01/23/2008 | CN101109278A Thermosol recovery method with three-tube oil pad tube-cutting method for sylvite mine |
| 01/23/2008 | CN100363617C Scrow oil pumping pump |
| 01/22/2008 | US7320951 Comprising a silicate-based mud and a lubricant selected from glycosides, alkylpolyalkoxy-alcohols, alcohol ester polymers, amine phosphates and/or starch; coefficient of friction comparable to an oil- or synthetic-based mud |
| 01/22/2008 | US7320367 Annular isolators for expandable tubulars in wellbores |
| 01/22/2008 | US7320366 Assembly of downhole equipment in a wellbore |
| 01/22/2008 | US7320365 Methods for increasing production from a wellbore |
| 01/22/2008 | US7320364 Inhibiting reflux in a heated well of an in situ conversion system |
| 01/22/2008 | CA2536957C Method of treating a formation using deformable proppants |
| 01/22/2008 | CA2501190C Apparatus and method for completing a wellbore |
| 01/22/2008 | CA2475671C Method of repair of collapsed or damaged tubulars downhole |
| 01/22/2008 | CA2445783C Expandable sand screen for use in a wellbore |
| 01/22/2008 | CA2431379C Methods of treating subterranean formations using solid particles and other larger solid materials |
| 01/22/2008 | CA2425449C Gas-lock re-prime device for submersible pumps |
| 01/22/2008 | CA2299685C Installing a scrolled resilient sheet alongside the inner surface of a fluid conduit |
| 01/22/2008 | CA2252022C Means and method for the diphasic compression of a soluble gas in a solvent |
| 01/21/2008 | CA2553297A1 In situ process to recover heavy oil and bitumen |
| 01/19/2008 | CA2552482A1 Methods and apparatuses for enhanced in situ hydrocarbon production |
| 01/18/2008 | CA2596610A1 Installation and method for improving the production and quality of a hydrocarbon via integration into a monolith well comprising a catalyst |
| 01/18/2008 | CA2590566A1 Electrical submersible pumping systems having stirling coolers |
| 01/17/2008 | WO2008008877A2 Diverless connector for bend restrictors and/or bend stiffeners |
| 01/17/2008 | WO2008008697A2 Compositions, methods and uses for sterically-hindered quaternary ammonium compounds |
| 01/17/2008 | WO2008008680A1 Downhole tool operated by shape memory material springs |
| 01/17/2008 | WO2008007973A1 Pipe string device for conveying a fluid from a well head to a vessel |
| 01/17/2008 | WO2008007718A1 Enhanced recovery process for petroleum or natural gas, enhanced recovery system for the same, and injector for gas-liquid mixed fluid |
| 01/17/2008 | WO2008006880A1 A method of controlling water condensation in a near wellbore region of a formation |
| 01/17/2008 | WO2008006841A1 Method of radially expanding a tubular element |
| 01/17/2008 | WO2008006222A1 Method for selective extraction of natural gas liquids from “rich” natural gas |
| 01/17/2008 | WO2008006221A1 Method for selective extraction of natural gas liquids from 'rich' natural gas |
| 01/17/2008 | WO2007137153A3 Systems and methods for producing oil and/or gas |
| 01/17/2008 | WO2007053419A3 Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid |
| 01/17/2008 | WO2006083914A3 In situ filter construction |
| 01/17/2008 | US20080015121 Compositions, methods and uses for sterically hindered quaternary ammonium compounds |
| 01/17/2008 | US20080015119 Methods of Treating Particulates and Use in Subterranean Formations |
| 01/17/2008 | US20080014026 Method for installing and connecting a sub-sea riser |
| 01/17/2008 | US20080012320 Tubing connection arrangement |
| 01/17/2008 | US20080011643 Use Of Field Gas For Pre-Refining Conventional Crude Oil Into A Pre-Refined Asphaltenes-Free Oil Refinery Feedstock Pa And A Liquid Residual Oil Refinery FeedStock Pb |
| 01/17/2008 | US20080011487 Drive piston and foot valve seat |
| 01/17/2008 | US20080011486 Biodegradable foam compositions for oil field operations |
| 01/17/2008 | US20080011485 Reversible emulsions stabilized by amphiphilic polymers |
| 01/17/2008 | US20080011484 Horizontal drilling |
| 01/17/2008 | US20080011480 Downhole surge pressure reduction and filtering apparatus |
| 01/17/2008 | US20080011477 Well treating materials and methods |
| 01/17/2008 | US20080011476 Methods for coating particulates with tackifying compounds |
| 01/17/2008 | US20080011475 Oil recovery method employing amphoteric surfactants |
| 01/17/2008 | US20080011474 Directional microporous diffuser and directional sparging |
| 01/17/2008 | CA2659114A1 Well treating materials and methods |
| 01/17/2008 | CA2657557A1 Pipe string device for conveying a fluid from a well head to a vessel |
| 01/17/2008 | CA2657046A1 Method of radially expanding a tubular element |
| 01/17/2008 | CA2656800A1 A method of controlling water condensation in a near wellbore region of a formation |
| 01/17/2008 | CA2656330A1 Methods and systems for determination of fluid invasion in reservoir zones |
| 01/16/2008 | EP1877163A2 Secondary oil recovery |
| 01/16/2008 | EP1561006B1 Method and system for removing fluid from a subterranean zone using an enlarged cavity |
| 01/16/2008 | CN201007271Y High power oil-submersible straight line motor diaphram pump |
| 01/16/2008 | CN201007207Y Gas preprocess device and negative pressure valve structure alarm thereof |
| 01/16/2008 | CN201007203Y Coal bed gas well test production water vapor separating and metering mechanism |
| 01/16/2008 | CN201007200Y Cluster type detonation perforator |
| 01/16/2008 | CN201007199Y Bundling perforator |
| 01/16/2008 | CN201007198Y Directly balancing flexible drive oil pumping machine |
| 01/16/2008 | CN201007185Y Compound cavern completion tool |
| 01/16/2008 | CN101107422A Methods for prodcing fluids from acidized and consolidated portions of subterranean formations |
| 01/16/2008 | CN101107421A Selective electromagnetic production tool |
| 01/16/2008 | CN101107420A Temperature limited heaters used to heat subsurface formations |
| 01/16/2008 | CN101107419A Use of aqueous dispersions for tertiary petroleum production |
| 01/16/2008 | CN101107418A System and method for making hydrocarbon |